Articles | Volume 18, issue 2
Biogeosciences, 18, 585–604, 2021
Biogeosciences, 18, 585–604, 2021

Research article 27 Jan 2021

Research article | 27 Jan 2021

Timing of drought in the growing season and strong legacy effects determine the annual productivity of temperate grasses in a changing climate

Claudia Hahn et al.

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Cited articles

Arend, M., Sever, K., Pflug, E., Gessler, A., and Schaub, M.: Seasonal photosynthetic response of European beech to severe summer drought: Limitation, recovery and post-drought stimulation, Agr. Forest Meteorol., 220, 83–89,, 2016. 
Bates, J. D., Svejcar, T., Miller, R. F., and Angell, R. A.: The effects of precipitation timing on sagebrush steppe vegetation, J. Arid Environ., 64, 670–697,, 2006. 
Bloor, J. M. G. and Bardgett, R. D.: Stability of above-ground and below-ground processes to extreme drought in model grassland ecosystems: Interactions with plant species diversity and soil nitrogen availability, Perspect. Plant Ecol., 14, 193–204,, 2012. 
Bollig, C. and Feller, U.: Impacts of drought stress on water relations and carbon assimilation in grassland species at different altitudes, Agr. Ecosyst. Environ., 188, 212–220,, 2014. 
Byrne, K. M., Lauenroth, W. K., and Adler, P. B.: Contrasting Effects of Precipitation Manipulations on Production in Two Sites within the Central Grassland Region, USA, Ecosystems, 16, 1039–1051,, 2013. 
Short summary
While existing studies focus on the immediate effects of drought events on grassland productivity, long-term effects are mostly neglected. But, to conclude universal outcomes, studies must consider comprehensive ecosystem mechanisms. In our study, we found that the resistance of growth rates to drought in grasses varies across seasons, and positive legacy effects of drought indicate a high resilience. The high resilience compensates for immediate drought effects on grasses to a large extent.
Final-revised paper